2025 WK20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6965363107 ± 1.09e-04
Semi-major axis (a)2.4955789089 AU ± 8.07e-04
Inclination (i)22.52699325° ± 6.08e-03
Long. of Asc. Node (Ω)275.97794911° ± 3.20e-03
Arg. of Perihelion (ω)55.92356962° ± 2.49e-03
Mean Anomaly (M)19.58264725° ± 9.41e-03
Mean Motion (n)0.2500088119°/day ± 1.21e-04
Perihelion dist (q)0.75731758 AU ± 3.66e-04
Aphelion dist (Q)4.23384024 AU ± 1.40e-03
Orbital Period3.94236617 yr ± 1.91e-03
Physical Parameters
H (abs. magnitude)21.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.113″
Uncertainty1
Orbit TypeApollo
MOID0.062619 AU
Observations Used23
Oppositions1
Arc Total2025-2025
First Observation Used2025-11-24
Last Observation Used2025-12-16
Observations (24)
Date Type RA Dec Mag Band Observatory
2025-11-24 11:36:30 C 06 13 50.086 +51 07 21.80 X F52
2025-11-24 11:53:20 C 06 13 46.369 +51 06 56.68 X F52
2025-11-24 12:09:58 C 06 13 42.706 +51 06 32.12 X F52
2025-11-24 12:26:36 C 06 13 39.050 +51 06 07.24 X F52
2025-11-24 15:05:22 C 06 13 04.223 +51 02 07.70 V F52
2025-11-24 15:06:17 C 06 13 03.974 +51 02 06.06 V F52
2025-11-24 15:07:24 C 06 13 03.776 +51 02 04.78 V F52
2025-11-24 15:08:21 C 06 13 03.566 +51 02 03.08 V F52
2025-11-25 05:36:52 C 06 10 03.112 +50 40 13.58 V V06
2025-11-25 05:39:26 C 06 10 02.564 +50 40 09.98 V V06
2025-11-25 05:42:01 C 06 10 02.046 +50 40 06.10 V V06
2025-11-25 05:44:35 C 06 10 01.488 +50 40 02.17 V V06
2025-11-26 06:11:38 C 06 04 59.862 +50 02 44.56 V V06
2025-11-26 06:14:12 C 06 04 59.354 +50 02 40.67 V V06
2025-11-26 06:16:47 C 06 04 58.796 +50 02 36.96 V V06
2025-11-26 06:19:21 C 06 04 58.264 +50 02 33.00 V V06
2025-12-08 07:22:20 C 05 17 24.813 +42 16 06.29 W H01
2025-12-08 07:29:22 C 05 17 23.894 +42 15 54.98 W H01
2025-12-08 07:46:32 C 05 17 21.608 +42 15 27.42 W H01
2025-12-08 07:53:48 C 05 17 20.652 +42 15 15.70 W H01
2025-12-16 11:04:28 C 04 56 41.204 +37 16 42.67 V V06
2025-12-16 11:10:16 C 04 56 40.729 +37 16 34.32 V V06
2025-12-16 11:16:04 C 04 56 40.204 +37 16 26.00 V V06
2025-12-16 11:21:51 C 04 56 39.700 +37 16 17.18 V V06